The majority of residents (66.4%) are of Australian birth, with other common census responses being England (5.3%), Italy (2.9%), Greece (2.3%), India (2.1%) and Vietnam (2.0%).[1]

The age distribution of Devon Park residents is skewed higher than the greater Australian population. 75.6% of residents were over 25 years in 2006, compared to the Australian average of 66.5%; and 24.4% were younger than 25 years, compared to the Australian average of 33.5%.[1]

Within Port Adelaide Enfield, Devon Park is part of Parks Ward and is represented in that council by Claire Boan and Guy Wilcock, with previous Parks Ward Councillor Tung Ngo having been elected to the South Australian Parliament at the 2014 State Election.[5]

The Charles Sturt portion of the suburb forms part of that council's Hindmarsh Ward, being represented in that council by Paul Alexandrides and Craig Auricht.[6]